- Main article: Headquarters
| Assault Breacher Vehicle|
Builder unit. Unit is automatically produced if a structure is placed for construction.
| Survey team|
Costs 1250. Light recon vehicle.
| DEFCON 3 structures|
Field headquarters, Refinery, LEM, Barracks, MG nest, Field generator, Light vehicle bay, Field hospital, Logistical center, Armory
| DEFCON 2 structures|
Power plant, FOB, Heavy vehicle bay, Helipad, Air control tower, Phalanx CIWS. Requires DEFCON 2 upgrade.
| DEFCON 1 structures|
Processing plant, Accumulator, MIM-104 Patriot, Peacekeeper missile silo, Administrative center. Requires DEFCON 1 upgrade.
| Long range survey team|
Costs 750. Affects survey team.
| Grizzly Project|
Costs 1000 and 500. Affects Assault Breacher Vehicle.
| Defense projection|
Costs 1000. Requires barracks. Affects MG nest.
| DEFCON 2|
Costs 2000 and 2000. Requires refinery. Unlocks all DEFCON 2 units, structures, and upgrades.
| DEFCON 1|
Costs 4000 and 4000. Requires DEFCON 2. Unlocks all DEFCON 1 units, structures, and upgrades.